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You are given a small bar of an unknown metal X. You find the density of the metal is 10.5 g/cm^3. Another experiment tells you the edge-length of the face centered cubic unit cell of this metal has a length of 4.09 x 10^-10 m. What is the density of the metal?
Write the two half-cell reactions. 2. determine E red for the the reaction involving Pd 3. Sketch the voltaic cell, label anode and cathode, and indicate the direction of electron flow
explain the probable effect of this procedural change on the experimental results?
A buffer is prepared by mixing 204mL of .452M HCL and .500L of .400M sodium acetat. (a) What is the pH? (b) How many grams of KOH must be added to .500L of the buffer to change the pH by .15 units
How many litres of ethyl mercaptan (C2H5SH ; liquid density = 0.8931 g/cm^3) should be added to 100,000 standard cubic meters of natural gas to produce a concentration in the gas of 1ppm
What is the molecular geometry of Cl2CO?
At 0.0oC, if the volume of air is 3.1 mL and the pressure of the atmosphere that day is 815 mmHg, what is the number of moles of air?
Calculate the standard potential for this reaction. Normally, X is Fe. Here it is some unknown metal, allowing for somewhat random values for ΔGo.
The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen gas reacts with nitrogen gas to produce ammonia according to the equation 3H2+N2=2NH3
At constant temperature and pressure, how many liters of oxygen would be needed to completely combust 0.350 L of propane?
Determine the molar concentration of CH 3 COOH present in the vinegar?
At what temperatures is this reaction spontaneous at standard conditions. Assume that ?H° and ?S° do not depend on temperature.
Determine what the mothballs were made of. Pure ethyl alcohol has a boiling point of 78.41 degrees C and Kb = 1.22 deg C/m for this solvent.
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